dr.pidigam Saidaiah

• Doctor of Philosophy
• Professor (Associate) at Sri Konda Telangana State Horticultural University, Hyderabad, India

Combining ability study on grain yield and its components from line x tester analysis over the locations of fivewell adapted CMS lines and twenty three testers of different eco-geographic origin revealed higher SCA variancethan GCA variance for all the traits indicating the prevalence of non-additive gene action. The lines APMS 6A,PUSA 5A and CRMS...

An experiment was conducted to evaluate 115 rice (Oryza sativa L.) hybrids, their parents (5 cyto plasmic male sterile lines and 23 restorer parents) and four checks for their stability at three different locations, viz Hyderabad, Warangal and Jagtial representing three different agro-climatic zones of Andhra Pradesh. The study indicated that a sub...

Germplasm characterization is essential to utilize and improve plant genetic resources in various breeding programs. The present study was aimed to characterize genetic variation in 28 accessions of yardlong bean (Vigna unguiculata (L.) Walp. subsp. sesquipedalis Verdc.) collected from different states of India. A total of 48 random amplified polym...

Dolichos bean (Dolichos lablab L. var. Typicus Prain, 2n=2x=22), is one of the most popular traditional vegetables in India. The pods are rich in carbohydrates, proteins, fat, and fibers, and also a rich source of minerals (Ca, P, and Fe). In this study, 29 genotypes were used to analyze genetic diversity using 39 random amplified polymorphic prime...

Tomato is the world's second largest cultivated vegetable crop. Tomato spotted wilt virus (TSWV) and fusarium wilt (FW) are the two major biotic stresses in India limiting tomato production. Identification and utilization of resistant lines to realize the full genetic potential of varieties for yield gain is an eco-friendly approach. The present re...

Nigella sativa, commonly known as “black cumin” or “black seed”, is an annual flowering plant in the family Ranunculaceae. It is widely distributed in North Africa, the Middle East, Europe, and Asia. This chapter summarizes a research update on the pharmacological activities of N. sativa. Based on research thymoquinone (TQ) is a major bioactive com...

Glycyrrhiza glabra L., referred to as licorice is a significant medicinal plant in India. It is a member of Fabaceae (Leguminosae) Family. It is native to Southern Europe and some parts of Asia including India. Its genetic characteristics are well investigated. It is well-documented as an herbal medicine. Glycyrrhizin is the principal sweet-tasting...

Ashwagandha, often known as Indian ginseng, is a popular therapeutic plant in ancient Ayurvedic medicine. Its roots and leaves have adaptogenic, anti-inflammatory, and immunomodulatory properties. Traditional medicine mainly relies on ashwagandha, a powerful medicinal plant with alkaloids and withanolides. This study in-vestigates the genetic divers...

Impact of Holistic Natural Farming practices on Transformative Effect with horticultural crops in Degraded and Waste Lands of Telangana

The current study was aimed at evaluating the stability of tomato yield and yield-contributing characteristics during three sowing intervals (February, March, and April) under high-temperature regimes, Pooled analysis of variance was performed on twenty-five genotypes, including eight parents, fifteen hybrids, and two checks, for seventeen agronomi...

The present investigation was conducted to know the effect of different surface sterilization methods and different plant growth regulators on culture establishment from Pomegranate nodal explants of cv. Bhagwa with two factors: Sterilizing agents(S): 0.1% Mercuric chloride (HgCl2) and 1% Sodium hypochlorite (NaOCl) each at two different timing int...

With her ca. 7% biodiversity contribution to the world’s diversity, India is ranked among the mega diverse countries. Around 8000 Indian medicinal plant species have utilization as core raw drugs in the Indian Systems of Medicines. Around 65% health care is met from traditional medicines available in India as per the World Health Organization repor...

Holy Basil or Tulsi (Ocimum sanctum L.) is one of the most sacred plants and is under cultivation, in India, for more than 3000 years. It’s medicinal and as well as therapeutic properties are well described in the Indian Material Medica. O. sanctum has multiple pharmacological properties. With huge biological potential, Tulsi is a scientifically, t...

Breeding of vegetable,Tuber and Spice crop

ISBN: 9788181807502

The investigation was conducted at SKL Telangana State Horticultural University, Rajendranagar in Kharif, 2018 using 23 tomato genotypes. Screening with Ty-1 (P6-6) marker, only one genotype i.e. AVTO-1219 showed resistant band. Screening with Ty-2 marker, only 2 genotypes viz., AVTO-1219 and AVTO-9804 showed resistant bands. Screening with Ty-1 (S...

Breeding of Leguminous vegetable crops

The experiment was evaluated with thirty two okra genotypes in Randomized Block Design (RBD) with two replications. Thirteen characters were measured for randomly selected plants for path analysis. Path analysis studies revealed high direct effect of days to initiation for first flowering, number of branches per plant, fruit length, weight of fruit...

Heavy metal accumulated in soil with the progression of time, due to rapid industrialization and human intervention pose serious environmental issues and health hazards to bio systems. The persistence of heavy metal contaminants in soil due to non-biodegradable nature ultimately enter the food chain through crop plants, and eventually accumulate...

The present study was conducted to evaluate twenty four (24) genotypes along with 1 check variety (Pusa Navbahar) of cluster bean during kharif, July–September, 2019 at College of Horticulture, Rajendranagar, Sri Konda Laxman Telangana State Horticultural University, Telangana, India to estimate variability, broad sense heritability and genetic adv...

Aflatoxin contamination is a major concern in dry chilli pods during storage, which renders chilli flakes, and chilli powder unsafe for consumption and unfit for trade. Traditional method of storage also results in both qualitative as well as quantitative losses. In our study, we evaluated Purdue improved crop storage (PICS) based triple layer herm...

Twenty three germplasm of tomato augmented from ICAR-NBPGR, India, WVC, Taiwan and various vegetable research stations were evaluated in RBD in field conditions and were characterized based on 11 qualitative traits viz., leaf type, foliage cover, stem thickness, stem pubescence, stem pigmentation, flower size, flower colour, fruit shape, immature f...

Nutraceuticals are the sustainable alternatives for prevention of number of human diseases. A vegetable with low calories possesses phytochemicals, antioxidants, minerals and vitamins, are the vital source of biologically active nutraceuticals. Some of the well studied phytonutraceuticals are lycopene, isoflavonoids, quercetin, glucosinolates sulfo...

The objective of the study was to evaluate genetic divergence among okra genotypes based on yield and yield contributing traits. The experiment comprised of 32 genotypes of okra, which were sown in Randomized Block Design with two replications at College of Horticulture, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyde...

okra

Unravel the relationship........................three dry chilles

The vital herb ashwagandha was farmed for commercial purposes in India. This study aimed to estimate the nature and amount of genetic variation in the 20 attributes in the 29 genotypes of ashwagandha in order to understand the correlations and character contributions to dry root weight/plant and alkaloid content with the selection of potential pare...

Thirty five chilli genotypes were evaluated in a randomized block design at College of Horticulture, Rajendranagar, Sri Konda Laxman Telangana State Horticultural University, Hyderabad, Telangana state, India during Kharif, 2019 for seven months and at National Bureau of Plant Genetic Resources, Regional station, Rajendranagar, Hyderabad during Rab...

the experiment was set up in a Completely Randomized Block Design with various genotypes of Ashwagandha as a treatment and replicated thrice. The genotypes were systematically evaluated by grouping them into different clusters using Mahalanobis D 2 statistical analysis. The results indicated a highly significant difference among the genotypes, and...

Green leafy vegetables are rich in nutrients and fibre and low in fat and calories and help complete a healthy balanced diet. The kind of plant species used as leafy vegetables varies from region and usually depend up on their distribution and traditional practices. In Telangana, leafy vegetables are cultivated in about 7,673 hectares area largely...

breeding of vegetable, tuber and spice crops

Fusarium oxysporum is one of the devastating diseases of tomato (Solanum lycopersicum L.) causing high yield losses in fields and commercial greenhouses, inferring necessity for development of disease resistance. An research experiment was laid out with 23 diverse genotypes including susceptible check at research farm during wet season-2018 for scr...

An experiment was carried in tomato by using D 2 analysis, the 23 genotypes were grouped into ten clusters. Based on the intra cluster distance, the intra cluster III had the maximum D 2 value (102.28). Highest inter cluster generalized distance (597.76) was between cluster X and VIII indicating wider genetic diversity between these groups. The cha...

Defoliation is considered an "art and a science," selecting harvest aids and desiccator’s are among the toughest, but most critical decisions a cotton farmers will make all year. There is no one encompassing prescription. Producers have to assess their current situations and environmental conditions and adjust from there. Boll maturity should b...

In the present investigation was carried out at College of Horticulture, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyderabad during the period during s Kharif, 2016-17 to study the variability, heritability and genetic advance for different morphological and agronomic traits. Analysis of variance revealed significant...

The experiment was evaluated with thirty two okra genotypes in Randomized Block Design (RBD) with two replications. Thirteen characters were measured for randomly selected plants for path analysis. Path analysis studies revealed high direct effect of days to initiation for first flowering, number of branches per plant, fruit length, weight of fruit...

Vigna unguiculata (L.) Walp. ssp. sesquipedalis (L.) Verdc. is commonly known as asparagus bean, Chinese long bean, long-podded cowpea, pea bean, snake bean or yardlong bean, and is an underexploited crop with rich nutritional value. Yardlong bean has evolved and was domesticated from cowpea but differs phenotypically as a result of divergent selec...

Background: Cowpea is a multiple-purpose, drought-tolerant, climate-smart and leguminous pulse crop. Recent studies established this crop as a potential vegetable crop with nitrogen fixation ability and round the year cultivation unlike French bean. In several crops, exotic collections imported into India have positive impact in release of new vari...

A research study was conducted with nine dwarf Roselle germplasm of H. sabdariffa var. sabdariffa at College of Horticulture, Sri Konda Laxman Telangana State Horticultural University, Hyderabad, Telangana State, India during first week, October, 2019 to 2nd week, January, 2020. The analysis of variance for yield and its contributing characters was...

A research study was conducted with nine dwarf Roselle germplasm of H. sabdariffa var. sabdariffa at College of Horticulture, Sri Konda Laxman Telangana State Horticultural University, Hyderabad, Telangana State, India during first week, October, 2019 to 2nd week, January, 2020. The analysis of variance for yield and its contributing characters...

The experiment was laid out in a completely Randomized Block Design with 29 ashwagandha accessions as treatments during Kharif, 2018 at Medicinal and Aromatic Plant Research Station, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyderabad. Each treatment was randomly replicated thrice. The analysis of variance indicates...

Background: Dolichos bean is one of the important vegetable legume crops. During storage, protection of seed from bruchid attack is a major problem worldwide. Once the bruchid attacks, the extent of damage could be up to 100%, leading to both quantitative and qualitative loss by making it unfit for consumption. Existing traditional methods are less...

IPRs intellectual property rights, horticultural crops

The experiment was carried out at the College of Horticulture, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar to estimate the crude fibre content in fifty mango (Table and Juicy) cultivars. Experiment was laid out in a completely randomized design and replicated thrice during 2018-19 and 2019-20. Fruits were collected from...

Data on key flowering, maturity and yield attributes of 87 cowpea accessions including exotic and indigenous accessions were subjected to genotype clustering and principal component analysis (PCA) to identify diverse elite accessions for vegetable purpose. Based on PCA, PC-I, PC-II and PC-III had eigen values more than one, which contributed to 90....

The experiment was laid out in a completely Randomized Block Design with 29 ashwagandha access ions as treatments during Kharif, 2018 at M edicinal and Aromatic Plant Research Station, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyderabad. Each treatment was randomly replicated thrice. The results on genotypic and phen...

The experiment was laid out in a completely Randomized Block Design with 29 ashwagandha accessions as treatments during Kharif, 2018 at Medicinal and Aromatic Plant Research Station, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyderabad. Each treatment was randomly replicated thrice. All the germplasm lines were evalua...

Background: Cluster bean is originated in India and Pakistan and is characterized as a short day plant. It is a drought tolerant, warm season legume crop, cultivated mainly as rain fed crop in arid and semi-arid regions during rainy season for vegetable, galactomannan gum, forage and green manure. In view of growing demand for its yield, developmen...

Background: Jack bean is an under-exploited legume species, a source of food, medicine and cover crop. By virtue of its adaptive nature to low fertility soils, it is one of the few pulses that grow well on highly leached, nutrient depleted, lowland tropical soils. But, in India, crop improvement work is very little done. Stability of yield is a maj...

Twenty-five exotic accessions belonging to Solanum lycopersicum and six commercial cultivars of tomato were evaluated to identify the source of resistance against root-knot nematode, Meloidogyne incognita and effect of nematodes on plant growth characteristics. Infection of root-knot nematode, M. incognita resulted in reduction in plant growth char...

The present investigation was carried out in order to obtained information on the mean performance of cross combinations for genetic improvement in brinjal developed using line x tester analysis at PG student’s research farm, College of Horticulture, Rajendranagar, Hyderabad. The resultant twenty one single crosses along with ten parents and two st...

Twenty three germplasm of tomato augmented from ICAR-NBPGR, India, WVC, Taiwan and various vegetable research stations were evaluated in RBD in field conditions and were characterized based on 11 qualitative traits viz., leaf type, foliage cover, stem thickness, stem pubescence, stem pigmentation, flower size, flower colour, fruit shape, immature f...

To study the per se performance of twenty three genotypes for fifteen characters, an experiment was carried out in tomato at P.G Research Farm, College of Horticulture, Rajendranagar, Hyderabad during Kharif, 2018. Among the genotypes, EC-620382 was the superior for yield and yield contributing characters i.e., fruit yield per plant (2.39 kg) and n...

Forty genotypes of tomato were evaluated for yield and various yield attributing characters at PG student research farm, College of Horticulture, Rajendranagar, Hyderabad during Kharif, 2017. The experiment was laid out in Randomized Complete Block Design with three replications. High PCV and GCV were recorded for fruit weight (g), fruit yield per...

The experiment was done to evaluate the performance of forty genotypes of tomato in the experimental farm of college of horticulture, Department of vegetable science, Sri Konda Laxman Telangana State Horticultural University, Rajendranagar, Hyderabad, Telangana, during Kharif, 2017-18. Among the genotypes used for evaluation the genotype LA-3667 wa...

Key fruit characters of 27 segregating variants of Oriental pickling melon (Cucumis melo var. conomon) local variety of Telangana state were assessed. Analysis of variance had shown highly significant (P=0.01) difference among variants for all the five fruit parameters, with the highest variation in average fresh fruit weight. Based on per se perfo...

An investigation on three kinds of heterosis was taken up in twenty one single crosses along with ten parents and two standard checks (Arka Anand and Mahy Hari) at PG Students research farm, College of Horticulture, Rajendranagar, Hyderabad. Studies revealed that appreciable amount of heterobeltiosis and standard heterosis in desirable direction we...

A field experiment was conducted on 21 hybrids resulted from crossing seven lines of tomato with three testers in line x tester mating design and evaluated for fifteen yield and yield contributing traits during early Summer, 2019 in Randomized Block Design with three replications at College of Horticulture, Sri KondaLaxman Telangana State Horticult...

Mango (Mangifera indica L.) is favoured for its delicious and juicy nature of the fruit and one of the important fruits of the world. It is commonly known as the "king of fruits". The present experiment was designed to develop a simple method to obtain good quality as well as a higher yield of DNA (Deoxyribonucleic Acid) from the leaves of ten mang...

Despite of huge demand for the crop, only limited breeding work has been done and very little attention has been given for its genetic improvement to enhance the productivity level. Before coming out with any superior variety with better yield there is need to periodically check the performance of available germplasm in comparison to best performin...

Correlation and path analysis were carried out in twenty three tomato genotypes for yield characters. The correlation coefficient studies showed that positive association of fruit yield per plant with plant height, number of primary branches per plant, number of fruits per plant, days to last harvest, fruit length, fruit width, average fruit weight...

The present investigation on study of Correlation and path analysis study in chilli (Capsicum annuum L.) genotypes was carried out during during rabi crop are that sown in winter season, in the year 2016-17. The study was under taken on 30 genotypes of chilli using randomized block design (RBD) with three replication. The result on phenotypic and g...

The present investigation was conducted to generate the information regarding genetic variability, heritability and genetic advance among 23 genotypes. The experiment was laid out during kharif, 2018 in the Randomized Block Design with three replications at P.G research farm, SKLTSHU, Rajendranagar. High analysis of variance (Mean sum of squares fo...

Tomato (Solanum lycopersicum L.) is a dicot species belonging to the Solanaceae family. It is a self-pollinating species with high genetic variability (Pratta et al. 2003). According to Miller and Tanksley (1990), most of the tomato variety is found in its wild forms which show variability for the characteristics of fruit quality such as flavor, ar...